<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>iframe窗口</title>
</head>
<body>
    <iframe src="./1.常用标签.html" width="300px" height="400px" name="i1"></iframe>
    <iframe src="./4.表格标签.html" width="200px" height="300px" name="i2"></iframe>
</body>
</html>